Step 1

Combine Ingredients: In a small bowl combine all the sauce ingredients together and set aside.

Step 2

Prep the Steak: Season the flank steak with salt and pepper in a bowl.

Step 3

Cook the Steak: Add 1 tbsp of the vegetable oil to a skillet and heat over medium-high heat. Add the seasoned steak and spread it evenly in the skillet. Cook for 1 minute without touching it, then use a spatula to stir the meat around. Continue cooking for another minute then transfer to a plate.

Step 4

Cook Veggies: To the same skillet, add the remaining tbsp of vegetable oil and add the peppers and onions - cook for about 4 to 5 minutes or until softened.

Step 5

Add Sauce: Return the beef to the skillet and add the garlic. Cook for 30 seconds until the garlic is aromatic. Pour the sauce over everything. Stir and cook for another 30 seconds to 1 minute until thickened.

Step 6

Finish and Serve: Garnish with sesame seeds if preferred and serve over cooked rice.